| All Patents in class 81/100 |
Patents 1 -
15
of 65
      |
| Number | Date | Patentee | Title | Type |
| 65,111 | May 28, 1867 | J.L. Ordner | Pipe Wrench | wrench jaw components |
| 65,678 | Jun. 11, 1867 | G.B. Keeler | Improvement in Wrenches | wrench jaw components |
| 111,422 | Jan. 31, 1871 | O.G. Barrett | Pipe Wrench | wrench jaw components |
| 189,621 | Apr. 17, 1877 | E.R. Girvin | Pipe-Tongs Or Wrenches | pipe wrenches |
| 190,523 | May 08, 1877 | H.I. Cook, C. States | Improved Combined Pipe-Tongs, Wrench and Screw-Driver | wrench combination tools |
| 212,468 | Feb. 18, 1879 | S.W. Hudson | Pipe-Wrench | pipe wrenches |
| 231,303 | Aug. 17, 1880 | T.P. Franke | Wrench | pipe wrenches |
| 238,041 | Feb. 22, 1881 | L. Glynn | Improvements in Pipe and Nut Wrenches | screw adjust wrenches |
| 241,490 | May 17, 1881 | J.T. Hayden | Pipe Wrench | pipe wrenches |
| 246,976 | Sep. 13, 1881 | J.F. Phillips | Pipe Wrench | pipe wrenches |
| 284,933 | Sep. 11, 1883 | G.W. Wilbur | Pipe Tongs | pipe tongs |
| 291,129 | Jan. 01, 1884 | W.C. Baskin | Wrench | quick adjust wrenches |
| 308,786 | Dec. 02, 1884 | W.S. Morrison | Pipe Wrench | pipe wrenches |
| 361,579 | Apr. 19, 1887 | C.A. Bennett, J.C. Degnan | Pipe Wrench | pipe wrenches |
| 362,819 | May 10, 1887 | J. Courtleyow | Pipe Wrench | pipe wrenches |
